KERNEL

WHAT'S NEW

Featured FreeRTOS IoT Integrations:

Introducing three featured integrations for more secure IoT applications. See the blog post.

Extended Maintenance Plan (EMP):

Announcing the EMP for FreeRTOS, provided by AWS. See the blog post.

Delta Over-the-Air Updates:

Announcing Delta OTA updates. See the blog post.

December 2021 Releases:

Include MCUBoot demo and a new FreeRTOS download. See the blog post.

FreeRTOS LTS libraries:

The LTS libraries are now included in our partner toolchains. See the blog post.

uxSemaphoreGetCount
[Semaphores]

semphr. h

UBaseType_t uxSemaphoreGetCount( SemaphoreHandle_t xSemaphore );

Returns the count of a semaphore.

Parameters:

xSemaphore

The handle of the semaphore being queried.

Returns:: If the semaphore is a counting semaphore then the semaphores current count value is returned. If the semaphore is a binary semaphore then 1 is returned if the semaphore is available, and 0 is returned if the semaphore is not available.